// JScript File

 function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
 }

    
function isAlphabetic(sText)
{
    var ValidChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890\\:\/?+!_- .*";
    var Char;


    for (i = 0; i < sText.length;i++)
    {
        Char = sText.charAt(i);
        if (ValidChars.indexOf(Char) == -1) {alert(Char); return false;}
    }
    return true;
}

function compareFName(oSrc, args) {


    var origFName = trim(document.getElementById("ctl00_ContentPlaceHolder1_ctrlFirstName").value.toUpperCase());
    var fname = trim(args.Value.toUpperCase());

    args.IsValid = (fname == origFName);


}

function checkFileExtension(elem) {
     var filePath = elem.value;

     if (filePath.indexOf('.') == -1)
         return false;

     if (!isAlphabetic(filePath)) {
         alert('Please, input file with valid filename! ' + filePath);
         return false;

     }
     var validExtensions = new Array();
     var ext = filePath.substring(filePath.lastIndexOf('.') + 1).toLowerCase();

     validExtensions[0] = 'doc';
     validExtensions[1] = 'docx';
     validExtensions[2] = 'pdf';
     validExtensions[3] = 'rtf';
     validExtensions[4] = 'html';
     validExtensions[5] = 'htm';
     validExtensions[6] = 'txt';



     for (var i = 0; i < validExtensions.length; i++) {
         if (ext == validExtensions[i])
             return true;
     }


     alert('The file extension ' + ext.toUpperCase() + ' is not allowed!');
     return false;
 }

function clearFade(x) {

     if (x.style.color != "black") {
         x.style.color = "black";
         x.value = "";
     }

 }
 

var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}

function ValidateDate(source, arguments)
{

    if (IsDate(arguments.Value)) { 
    arguments.IsValid = true; }
    else { arguments.IsValid = false; }

 }